Social and Behavioral Sciences Commons^™

A Cognitive Process Approach To Interpreting Performance On The Booklet Category Test And The Wisconsin Card Sorting Test, Phillip R. Wolfe

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Modified administration techniques that relied on patient verbalization of reasoning on each item were devised. For the WCST, verbalized scores correlated highly with conventional scores. However, patterns of age, education, and IQ covariates for each scoring condition were very different, raising questions concerning what such verbalized scores measured. Further research based upon a prospective research design was suggested to address this question. Factor analysis of WCST scores for each scoring condition resulted in almost identical three-factor solutions in each case: (a) ineffective, perseverative responding; (b) nonperseverative number errors; and (c) Maintaining Set. A three-part hierarchy of response determinants for the …